Almost there! Just bridging the gap...
Almost there! Just bridging the gap...
The average US bridge is 48 years old. That's a lot of birthday candles.
over DES MOINES RVR RBRTRAYDR
4.6 MILES E OF JCT IA 28
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This bridge has a Good overall condition rating of 7 out of 9. It is in good structural condition and is not classified as structurally deficient.
The bridge carries 88,200 vehicles per day and is 64 years old (reconstructed in 2007).
Its sufficiency rating of 71.4 is above the national average of 63.6.
The NBI records a navigation clearance of 14 feet — the minimum vertical space below the bridge deck. The total height of the bridge structure (including towers, railings, and superstructure) may be higher.
For travelers with bridge anxiety
This bridge may cause some awareness for travelers with bridge anxiety, but has manageable characteristics.
This bridge is 864 feet long — a moderate crossing, about 30 seconds.
A standard overpass design with solid barriers on each side.
About 14 feet above ground — standard overpass height.
About 88,200 vehicles cross daily — heavy traffic, congestion likely during rush hours.
The deck is 142 feet wide with multiple lanes — easy to stay in a center lane.
This bridge crosses over water. Focus on the road ahead — the water is far below.
This comfort score is designed to help individuals with bridge anxiety plan their travel. All bridges in the National Bridge Inventory are regularly inspected and deemed safe for travel. This is not medical advice — if you experience severe anxiety, please consult a healthcare professional.
Year Built
1962
64 years old (rebuilt 2007)
Structure Type
Steel (Continuous) Stringer/Multi-beam/Girder
Total Length
864 ft
263.3 m
Deck Width
142 ft
43.3 m
Spans
2
sections between supports
Max Span
150 ft
longest unsupported section (45.7 m)
Traffic Lanes
8 lanes
Two-way traffic
Clearance Below
14 ft
navigation clearance under deck
Clearance height compared to familiar objects
Height shown is the navigation clearance below the bridge deck. The total height of the bridge structure (including towers and superstructure) may be higher.
Daily Traffic
88,200vehicles/day
41.59555°N, 93.61857°W
Steel (Continuous) Stringer/Multi-beam/Girder
A steel stringer bridge uses parallel steel beams (stringers) to support the deck. This is one of the most common bridge types in the US, valued for its simplicity and strength.
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Data from the National Bridge Inventory (NBI), maintained by the Federal Highway Administration (FHWA).
Data year: 2025. Conditions may have changed since the last inspection.
This information is provided for educational and informational purposes only. It should not be used as the sole basis for any decisions related to bridge safety or transportation planning. Always consult official sources and local authorities for the most current data.